National Council of Teachers of Mathematics. (1973). Geometry in the mathematics curriculum. NCTM,].
芝加哥风格引文National Council of Teachers of Mathematics. Geometry in the Mathematics Curriculum. [Reston, VA: NCTM,], 1973.
MLA引文National Council of Teachers of Mathematics. Geometry in the Mathematics Curriculum. NCTM,], 1973.
警告：这些引文格式不一定是100％准确.